Showing posts with label desertification. Show all posts
Showing posts with label desertification. Show all posts

Tuesday, July 26, 2022

Wild Free and Happy Sample 44 Update

 [Note: The following is a significant expansion of the Soil Destruction section of Sample 44.]

SOIL DESTRUCTION

Spencer Wells lamented the transition to food production, when folks shifted from foraging to farming and herding.  “Instead of being along for the ride, we climbed into the driver’s seat.”  Richard Manning agreed.  He said that in the good old days, “we didn’t grow food; food grew.”  Food production took an increasing toll on the soil.  Folks didn’t fully understand the consequences of what they were doing. 

In the good old days, wild ecosystems were complex communities of plants and animals.  These wild communities coevolved over time, which kept them fine-tuned for long term survival in ever changing local conditions.  Believe it or not, they could thrive, century after century, without irrigation systems, synthetic fertilizer, pesticides, fossil powered machinery, human stewards, and so on.

With the transition to plant and animal domestication, humans could produce greater quantities of food, and feed more mouths.  But the artificial ecosystems they created (cropland and pasture) commonly reduced natural biodiversity, encouraged erosion, and depleted soil fertility.

Walter Youngquist wrote that the average depth of the world’s topsoil is less than 12 inches (30 cm).  He added that almost all modern folks consider oil to be a vital strategic resource.  Oddly, far fewer have a profound appreciation for soil, the most precious mineral treasure of all.  For almost the entire human saga, our ancestors left fossil hydrocarbons in the ground, where they belong.  Soil is vital for the survival of the entire family of life — yesterday, today, and forever after.

He warned that, from a human timeframe, topsoil is a nonrenewable resource, because new topsoil is created over the passage of centuries, on a geological timeframe.  “Overall, one-third of the topsoil on U.S. cropland has been lost over the past 200 years.”  Humans are destroying it far faster than nature creates it. 

Youngquist mentioned the work of Peter Salonius, a soil scientist who performed 44 years of research.  Salonius came to the conclusion that all extractive agriculture, from ancient times to the present, is unsustainable.  Environmental history clearly supports his conclusion. 

Writing in 2000, J. R. McNeill wrote that the U.S. was currently losing 1.7 billion tons of topsoil per year to erosion.  At that time, there were 281 million Americans.  So, the loss would have been six tons per person.  Writing in 2007, David Montgomery noted that each year, the world was losing 24 billion tons of soil.  In 2015, Joel Bourne reported that every year, a million hectares (2.4 million acres) of world cropland are taken out of production because of erosion, desertification, or development. 

Richard Manning wrote, “There is no such thing as sustainable agriculture.  It does not exist.”  David Montgomery agreed.  “Continued for generations, till-based agriculture will strip soil right off the land as it did in ancient Europe and the Middle East.  With current agricultural technology though, we can do it a lot faster.”

Tobacco

Dale and Carter wrote a history of humankind’s war on soil.  Immigrants who colonized the U.S. behaved much like civilized colonists throughout history.  “They caused more waste and ruin in a shorter time than any people before them because they had more land to exploit and better equipment with which to exploit it.  Some ruined their land because they knew no better, and others destroyed out of greed for immediate profits, but most of them did it because it seemed the easiest thing to do.”

David Montgomery described the farmers of early America.  Tobacco was a goldmine, because it reaped six times more income than any other crop, and it could be shipped across the Atlantic and arrive in perfect condition. 

Growing tobacco was labor intensive, and slaves provided the muscle power.  It was also a heavy feeder on soil nutrients.  A farmer could make great money for three or four crops, after which the soil was severely depleted. 

At that point, they often abandoned the useless fields, and cleared forest to create new ones, for another round of jackpot moneymaking.  It was easier and more profitable.  In the early days, frontier land was abundant and cost little or nothing.

Back in Europe, it was foolish to greedily treat topsoil like a rape and run disposable resource.  Over time, agriculture had eventually collided with serious limits, when it was no longer easy to expand cropland area by exterminating forests.  So, respectful consideration was given to future generations of descendants, who wouldn’t enjoy inheriting a (%@&#!) wasteland.  Each generation deliberately made efforts to slow soil deterioration by regularly adding manure, compost, leaves, crushed bone, and other fertilizers.  Soil was treated like gold.

On the other hand, in early America, ambitious high achievers thought that being conservative stewards of the land was ridiculously stupid.  Livestock was needed to produce manure, and livestock required pasture.  Tobacco acres earned big money fast, and pasture acres did not.  Profit was their god word.

Cotton

Clive Ponting noted that a bit after the tobacco boom, the cotton gin made it more profitable to manufacture cotton fabric, rather than wool.  Cotton became a new goldmine for farmers and slave traders.  In Africa, slaves were often purchased by trading cotton cloth for them.  Like tobacco, cotton was very hard on the soil.  Compared to a food crop, it extracted 11 times the nitrogen, and 36 times the phosphorus.  Between 1815 and 1860, cotton was 50 percent of U.S. exports.

As with tobacco, depleted cotton fields were abandoned, and farm country migrated westward, as it devoured ancient forests.  It was cheaper, easier, and more profitable to move on, so they did.  David Montgomery described how these folks broke every cardinal rule of careful land stewardship.  Farmers did continuous planting without crop rotation, used little or no manure, and plowed straight up and down hills (not contour plowing). 

Highly explosive ignorance resulted in painful lessons and enduring destruction.  Stripping away the forests in hill country deleted what had held the soil in place for thousands of years.  Damage was extreme in the Piedmont belt of the southeastern U.S.  Further north, the wreckage was a bit lighter, because snow protected the soil during winter months.  But in the south, heavy rains were common.  Some regions eventually lost most of their soil, exposing portions of bedrock.  

Shockingly huge gullies were created in the wake of deforestation.  In Alabama, gullies up to 80 feet (24 m) deep soon followed land clearance.  One erosion gully near Macon, Georgia was 50 feet deep (15 m), 200 feet across (61 m), and 300 yards long (274 m).  Montgomery wrote, “By the early 1900s, more than five million acres of formerly cultivated land in the South lay idle because of the detrimental effects of soil erosion.”

Dust Bowl

As the colonization of the U.S. proceeded, folks continued migrating westward, moving beyond forested regions to the open prairies.  They perceived prairies to be wastelands, because they were largely treeless.  Many pushed onward toward Oregon, hoping to settle in lands having fertile soil.  In the process, they skipped right past the tallgrass prairie, home to the nation’s most fertile soil by far.  Eventually, they realized their mistake, and the primo tallgrass belt was settled. 

Latecomers got the less desirable shortgrass prairie, which had highly fertile soil, but it was lighter in texture, and more vulnerable to erosion.  In shortgrass country, strong winds and periodic droughts were normal and common, but evolution had fine-tuned the wild ecosystem to survive these conditions.

The natural vegetation was drought tolerant, retained moisture, and kept the soil from blowing away.  Unfortunately, the settlers brought state of the art steel plows, and proceeded to strip the vegetation off the land, and expose the precious soil.  Unintentional foolishness led to catastrophe.

David Montgomery mentioned a 1902 report by the U.S. Geological Survey that classified the high plains as being suitable for grazing, but not farming.  It was “hopelessly nonagricultural” because it was ridiculously prone to erosion.  Gullible farmers were encouraged by sleazy speculators to settle on the land and get rich quick.  And many did, for a while.

Walter Lowdermilk wrote that much of the time between 1900 and 1930 was a highly unusual period of above average precipitation.  During the wet years, farmers enjoyed big harvests and generous profits.  Wheat could do well in the shortgrass climate, and a thriving wheat field protected the fragile soil from erosion.  But in drought years, the wheat withered, and there was nothing to hold the soil in place when the winds began howling.

  Tractors were the latest cool gizmo.  A lad with a tractor could farm 15 times more land than a lad who used draft animals.  Cropland area greatly expanded, exposing more and more soil, which the winds carried away.  The stage was set for the Dust Bowl. 

Marc Reisner wrote, “The first of the storms blew through South Dakota on November 11, 1933.  By nightfall, some farms had lost nearly all of their topsoil.  At ten o’ clock the next morning, the sky was still pitch black.  People were vomiting dirt.”

“If not the worst man-made disaster in history, it was, at least, the quickest.”  From 1934 to 1938, there were numerous huge dust storms, “black blizzards” that could turn day into night.  In 1934, congressmen in Washington D.C. went outside to watch the sky darken at noon.  The jet stream carried dust across the ocean to Europe. 

In many regions, more than 75 percent of the topsoil was blown away by the end of the 1930s.  The Department of Agriculture estimated that 50 million acres of farmland had been ruined and abandoned during the Dust Bowl. 

Invisible Disaster

Humankind’s war on soil continues, and we’re winning.  In a 2012 article in Time magazine, John Crawford, a risk analysis expert, wrote that “A rough calculation of current rates of soil degradation suggests we have about 60 years of topsoil left.  Some 40% of soil used for agriculture around the world is classed as either degraded or seriously degraded — the latter means that 70% of the topsoil, the layer allowing plants to grow, is gone.”  [LOOK]

In some locations, visible evidence of this loss is obvious, in large clouds of dust, ghastly erosion gullies, or rain shower runoff that looks like chocolate milk.  In other places, the loss may not be readily visible during a lifetime.  When you gaze at a large field, decade after decade, you might not notice the gradual loss of tons of soil. 

Walter Youngquist mentioned a study finding that when one hectare of land lost six metric tons of soil, the surface of the soil dropped just one millimeter.  He thought that erosion was similar to cancer, a persistent intensifying destroyer.

Soils with less humus absorb less water, which increases runoff and soil loss.  Light soils are more likely to disappear than dense soils.  Sloped land is most prone to erosion.  Some regions of Europe typically receive gentle rain showers, while some locations in the U.S. often receive heavy cloudbursts.  Of course, wild grasslands and forests excel at absorbing moisture, building humus, and retaining soil. 

When forest is cleared, or grassland is plowed, the soil is exposed to incoming sunlight.  As the soil warms up, microbial activity is stimulated, which accelerates the oxidation of the carbon-rich humus.  Precious carbon built up over the passage of years is dispersed into the atmosphere as carbon dioxide.  Soil fertility declines, and will not be promptly restored, if ever. 

All tilling, to varying degrees, degrades or destroys soil.  The healthy green blanket of natural vegetation that protects the precious topsoil is entirely torn off the face of the land.  The soil dries out, hardens, and absorbs less precipitation, which accelerates runoff.  This increases the chances of sheet erosion, gullying, landslides, and flooding.  It can sometimes take centuries for nature to replace the unprotected topsoil lost in a stormy hour. 

Long ago, the Mediterranean basin became a hotbed of civilizations as agriculture spread westward out of Mesopotamia.  The Mediterranean climate provided heavy winter rains, making it a suitable place to grow wheat and barley.  Much of the basin was sloped land, which was extensively deforested over time, driven by growing demand for lumber and firewood. 

Flocks of sheep and goats roaming on the clear-cut hillsides overgrazed, encouraged erosion, and prevented forest recovery.  By and by, the rains leached out the nutrients, and washed much of the fertile soil off the hillsides.  In many locations, bare bedrock now basks in the warm sunshine, where ancient forests once thrived in ancient soils.

Carter and Dale noted that, in the good old days, the Mediterranean used to be among the most prosperous and progressive regions in the world.  But when they wrote in 1955, most of the formerly successful civilizations had become backward, or extinct.  Many had just a half or a third of their former populations.  Most of their citizens had a low standard of living, compared to affluent societies.

Montgomery noted that these ancient civilizations often enjoyed a few centuries of prosperity, as they nuked their ecosystems.  Sadly, the soils of the Mediterranean basin were heavily damaged by 2,000 years ago, and they remain wrecked today.  They are quite likely to remain wrecked for many, many thousands of years.  Much of the region that once fed millions is a desert today.

I never learned any of this in school.  Instead, this region was celebrated as the glorious birthplace of civilization, democracy, culture, and science.  It had incredible architecture and dazzling artwork.  It was home to brilliant writers and philosophers (no mention of slaves).  Many of our public buildings today, with their ornate marble columns, pay homage to this era when we first got really good at living way too hard.

Of course, progress never sleeps.  In 2000, J. R. McNeill published a fascinating (and sobering) book on the environmental history of the twentieth century, when cultures blind drunk on gushers of cheap oil spurred a population explosion that probably caused the most destruction to Earth since the Chicxulub asteroid wiped out the dinosaurs.

In a 2014 book, McNeill narrowed his focus to the catastrophic changes that have occurred since 1945.  He noted that in the world, about 430 million hectares (seven times the size of Texas) has been irreversibly destroyed by accelerated erosion.  “Between 1945 and 1975, farmland area equivalent to Nebraska or the United Kingdom was paved over.”  By 1978, erosion had caused the abandonment of 31 percent of all arable land in China.

Sunday, March 1, 2020

Wild Free and Happy Sample 33


[Note: This is the thirty-third sample from my rough draft of a far from finished new book, Wild, Free, & Happy.  I don’t plan on reviewing more books for a while.  My blog is home to reviews of 202 books, and you are very welcome to explore them.  The Search field on the right side will find words in the full contents of all rants and reviews, if you are interested in specific authors, titles, or subjects.] 

The Monster Mash

Mesopotamia was one section of an ancient region known as the Fertile Crescent.  The Fertile Crescent has misty borders, and no two maps agree, but it’s blob-shaped.  [MAP]  One finger pokes westward toward Turkey.  Another spreads down along the east coast of the Mediterranean and plunges deep into Egypt.  Another heads south toward the Persian Gulf.  The Fertile Crescent was a ground zero location for the emergence of plant and animal domestication.  Eventually, it became the birthplace of a ridiculously unsustainable culture known as Western Civilization. 

For uncertain reasons, domestication independently emerged in at least eight regions, following the end of the last ice age.  Population pressure (growing resource scarcity) must have been a primary factor.  Backbreaking farm labor was not something that folks indulged in for fun or kinky pleasure.  Domestication wasn’t a brilliant innovation, it was more like a graveyard headstone for the very long era of hominin wildness and freedom, a sharp turn for the worse.

As the last ice age gradually rode off into the sunset, the Fertile Crescent ecosystem inhaled a deep breath of fresh springtime breezes, opened its eyes, smiled, and felt the power of new life surging within it.  Generous winter rains nurtured abundant greenery.  Ancient myths describe a Garden of Eden.  Large areas were clothed with wild cereals, like wheat (emmer and spelt), and barley.  There were also fruit and nut trees.

Someone estimated that there are about 200,000 species of plants in the world.  Of those, only a bit more than 100 have been domesticated.  Preference has been given to plants that are easy to grow and produce lots of food — especially food that is storable and/or high in nutrients.  Jared Diamond pointed out that, of the twelve biggest crop plants today, five of them are cereals — wheat, corn, rice, barley, and sorghum.  Cereals provide half of the calories that humans eat today.  Pulses (peas and beans) provide protein.  A diet based primarily cereals and pulses is not guaranteed to be nutritionally complete.

Diamond noted that only 14 large herbivore species have been domesticated, and that they were not evenly distributed around the world.  For example, North America had none, and Europe had one (reindeer).  Neither sub-Saharan Africa nor Australia were home to native plants or herbivores that were suitable for domestication.  In these regions, the Aborigines, San, Pygmies, and many others did just fine with wild plant and animal foods.  They lived lightly, built no cities, had no bosses or rulers, did not hoard personal belongings, and maintained a respectful and intimate relationship with their ecosystems.  Imagine that!

The Fertile Crescent, on the other hand, was very different.  It had wheat, barley, and pulses.  Also, in addition to huge herds of delicious wild gazelles, the Crescent was unique because it was home to four species of large herbivores that were suitable for domestication — goats, sheep, pigs, and cattle.  Obsidian was common too, an excellent stone for making cutting blades and sharp weapon points. 

At first, I wrote “the Fertile Crescent was cursed with riches,” a tantalizing booby trap of treasures that entranced naïve tropical primates.  The abundance triggered terrible hallucinations that inspired them to chop down forests, build ghastly cities, and develop impressive world-class wastelands.  But I realized my mistake and deleted those words. 

In fact, the original ecosystem itself was perfectly OK — wild, free, happy, healthy, and beautiful.  Its problems didn’t begin until tropical primate refugees wandered in.  They were homeless vagabonds who had strayed far from their ancestral roots in Mother Africa, and they were cursed with being a bit too smart for their britches — and quite a bit lacking in wisdom and foresight.

Peter Ungar wrote that our wild ancestors were a part of nature, but domestication drove them apart from it.  As the control freak hysteria bloomed, an abusive relationship was born, and over time became deeply rooted and dangerous.  Over time, the one-two punch of plant and animal domestication conjured a furious host of monsters into existence, an ever growing tsunami of ecological devastation. 

Like all other animals, tropical primates are mostly focused on the here and now.  We instantly pay acute attention to immediate risks like lions, tornados, or rattlesnakes.  Risks that take decades or generations to snowball into terrific destruction are of little or no concern to us.  They might seem like theoretical abstractions, farts in the bathtub.  Since few of us have a competent understanding of environmental history, we may not even recognize the presence of powerful trends, directly in front of our eyes, which will eventually hurl our civilization off the cliff.

Since I got up this morning, I have experienced no jarring evidence of the growing global climate catastrophe.  If I wasn’t devoted to regularly paying close attention to a narrow fringe of the info stream from the outer world, the climate crisis would seem insignificant, and easy to sweep under the rug.  Just another hoax.  La-de-dah!  In the mainstream mindset, ecological sustainability is simply not a matter for primary concern, or a proper subject for polite conversation.  If nice people on TV tell us that electric cars are sustainable, then… << SHAZAM! >> …they are!

Eco-History Heroes

“The sky is falling!  The sky is falling!”  Shut up Chicken Little!  You’re nothing but a messed up negativity bomb, a batshit crazy doom pervert.  What’s wrong with you?  Can’t you see that everything is beautiful, and the best is yet to come?  Get a life!  Jeez!  Well, in the old folk tale, Chicken Little had a long and annoying habit of screaming fake warnings of danger.  Then, one day, when genuine danger was actually rushing toward the village, nobody believed Chicken Little, and what happened next was not happy.

With regard to the ecological impacts of plant and animal domestication, a substantial portion of the Chicken Little warnings have not been hysterical false alarms.  They are very often accurate and serious.  Every farmer understands that tilling leads to erosion, that the precious topsoil is nonrenewable, and when it’s gone, game over.  When many irrigation pumps are working to empty an ancient fossil aquifer, everyone knows that this water is nonrenewable.  The aquifer will run dry in a predictable number of years, and the temporary flourish of prosperity will screech to a halt and disintegrate.  Everyone understands the irreparable damage caused by logging and overgrazing over time.  So what?  We will have a nice warm dinner tonight.  All is well.

Unfortunately, many catastrophes take decades or centuries for the hammer to finally drop — like how salinization transformed Mesopotamia’s prosperous agriculture into a lifeless brown wasteland.  If I can probably get away with unsustainable behavior that benefits me, I just might be tempted to do it.  All other animals have figured out how to live sustainably.  Humans are the only critters that ravage ecosystems, often unknowingly, and often selfishly.

(Sigh!)  The memorable meme of the week is, “common sense is a punishment.”  Making a commitment to being present in full dose reality is a mind altering experience.  It can overwhelm you with righteous rage, or reduce you to a flaccid puddle of despair.  It can make you quietly laugh at the absurdity of it all, the unbelievable comedy of errors, the fantastic power of ignorance.

Anyway, for me here at the keyboard, the task of presenting a thorough and well-organized analysis of the consequences of plant and animal domestication is challenging.  The impacts have been huge, complex, and all tangled together — not easy to sort into neat and tidy subject packets.  So I won’t.  My fuzzy plan here is to intuitively meander where the muse inspires, jabber about stuff that feels important to say, and let my dear readers fill in the blanks.  I don’t want this document to end up being 30,000 pages long, and neither do you.

And now, at last, I shall get to the point of this heading.  Throughout the centuries, wizards have appeared who had the amazing ability to perceive reality, to actually see big juju that was happening right in front of their eyes.  They had something like Superman’s x-ray vision, allowing them to see what others could not — the total insanity of their culture, the staggering irreparable damage to the ecosystem, the complete disregard for the generations yet to be born. 

Of the mountains of stuff that we acquire and discard in life, almost all of it is silly crap that no healthy animal needs — cars, TVs, cell phones, etc.  Food is different.  Food matters.  It’s a powerful addiction for which death is the only release.  Domestication has a lot to do with food.  Domestication has also created countless highly destructive unintended consequences.  Environmental history books are packed with these horror stories.  Who reads them?  Most folks seem to be floating on a comfortable cloud of blissful ignorance and childlike magical thinking.  Things will turn out OK.

Since you have managed to make it this far in my long and windy word dance, there’s a fair chance that you might be a bit interested in this realm of knowledge.  While I still have your attention, I’d like to recommend a few of my favorite sources of high quality brain food.  Most are free downloads (ask Google), and others require a visit to your friendly local library.  If you develop an intimate relationship with this knowledge, you may get up one morning, look in the mirror, and see that there is a brand new Chicken Little in the world.  Hooray!  Let’s take a quick stroll through a gallery of some important Chicken Little heroes.

Man and Nature

Twenty-five years ago, a wise guy recommended that I read Man and Nature, by George Perkins Marsh, published in 1864.  (The second edition in 1874 was titled The Earth as Modified by Human Action.)  He was a visionary who helped set the stage for the modern ecology movement, and the study of environmental history.  You’ve heard of him, haven’t you?  Probably not.  His book was not a bestseller, but it sold fairly well over time.  It did not succeed in derailing the self-destructive juggernaut of industrial civilization, but it was a noble effort, and its message is still valid and important.

Long ago at school, I learned all about the glories of Greek and Roman civilization.  Marsh was probably taught a similar load of pretentious doo-doo.  As the U.S. ambassador to Italy and Turkey, he had been able to actually visit regions that were once the realm of thriving civilizations.  What he observed gave him a powerful dope slap.  One way or another, each had been reduced to an ecological train wreck.

Ancient forest mining in the watersheds of Italy’s Po and Adige rivers resulted in devastating erosion over the centuries, and huge volumes of silt spread down the coastline of the Adriatic Sea.  Marsh wrote, “Ravenna, forty miles south of the principal mouth of the Po, was built like Venice, in a lagoon, and the Adriatic still washed its walls at the commencement of the Christian era.  The mud of the Po has filled up the lagoon, and Ravenna is now four miles from the sea.  The town of Adria, which lies between the Po and the Adige, at the distance of some four or five miles from each, was once a harbor famous enough to have given its name to the Adriatic sea, and it was still a seaport in the time of Augustus.  The combined action of the two rivers has so advanced the coast line that Adria is now about fourteen miles inland, and, in other places, the deposits made within the same period by these and other neighboring streams have a width of twenty miles.”

It’s a plump book loaded with fascinating revelations, but it is written in an obsolete academic style that some bookworms may find rather tedious and difficult.  Apparently, at the time of writing, there was a serious shortage of periods in the U.S., which forced Marsh to write sentences as long as 230+ words.  (My next recommendation is much easier to read, and equally important.)  There are several ways of downloading Man and Nature.

Free Kindle version from Amazon is HERE

Scanned PDF of book (giant file) is HERE

EPUB, MOBI, TXT, and HTML versions are HERE

Topsoil and Civilization

In 1955, Tom Dale and Vernon Gill Carter published Topsoil and Civilization.  Readers are taken on a neat journey, during which they discover how a number of ancient civilizations destroyed themselves.  Stops include the Nile, Mesopotamia, Crete, Lebanon, Syria, Palestine, Greece, North Africa, Italy, and more.  Attentive folks will discover that these ecological disaster areas had many factors in common — a long list of fatal mistakes that civilizations remain committed to repeating, up to today.

Tom and Vern were not ditzy cheerleaders for civilization.  They wrote, “The very achievements of civilized man have been the most important factors in the downfall of civilizations.”  Civilized man had the tools and intelligence needed “to domesticate or destroy a great part of the plant and animal life around him.”  Unfortunately, “His chief troubles came from his delusions that his temporary mastership was permanent.  He thought of himself as ‘master of the world,’ while failing to understand fully the laws of nature.”

When reputable scholars make great efforts to describe serious challenges, it is obligatory to provide a happy ending, where they reveal their brilliant silver bullet solutions.  Today, there are hordes of hucksters selling magic cures for every environmental malady, and most of their elixirs have a pungent aroma of hopium and bull excrement.  Tom and Vern’s cure was soil conservation, a fantasy of permanent agriculture that could feed a gradually growing crowd for the next 10,000 years.  Yeah, right.

At the same time, they were painfully aware that humankind was ravaging the land.  “The fact is that there has probably been more man-induced erosion over the world as a whole during the past century than during any preceding thousand-year period.  There are many reasons for the recent rapid acceleration of erosion, but the principal reasons are that the world has more people and the people are more civilized and hence are capable of destroying the land faster.”  The book is a bit bipolar, but most of it, the historical passages, are excellent.  Great stuff!

Free PDF is HERE.  It is not available in some countries, for copyright reasons, but I saw a pirate copy on Google yesterday.

Gilgamesh, Plato, and Ovid

It’s interesting but sad that the Chicken Little movement is very old.  Folks have been jumping up and down and shouting their pain for a very long time, but civilization is a merciless steam roller. 

The Epic of Gilgamesh was written in about 2700 B.C.  It described the creation of the city of Uruk, along the Euphrates River.  The process involved massive deforestation along the valley, which unleashed immense erosion and flooding.  Humbaba was the sacred defender of the forest.  Gilgamesh whacked his head off, and proceeded to cut trees like there was no tomorrow.  Rains then washed the soil off the mountains, down to bedrock.  And so, whenever the floods blast down the river, the noise of destruction is referred to as “Humbaba’s roar.”

The Greek philosopher Plato wrote Critias in about 360 B.C.  In the dialog, the speaker laments how the land has deteriorated over time.  The forests were almost gone, and so was the rich soil on the mountains and plains.  Rains quickly run off the bare earth, and springs no longer flow.  The land is drying out.  Compared to the better days of years past, only a skeleton of the earlier land remained. 

Many years later, not long before the time of Jesus, the Roman poet Ovid wrote a similar poem in the third book of his Amores collection.  It also expressed sadness for the dark times of his day.  Long ago, wild crops were abundant.  The land was not divided into parcels, and no plows tore into the ground.  “Clever human nature, victim of your inventions, disastrously creative, why cordon cities with towered walls?  Why arm for war?”

Conquest of the Land Through Seven Thousand Years

In the 1940s, Walter Lowdermilk created the short, quick, and easy primer on the ravages of early civilizations.  In the 1920s, he visited the Yellow River (Hwang Ho) basin in China.  Floods and famines had been hammering the Yellow River for 4,000 years, sweeping away millions of lives.  The basin is covered with a deep blanket of yellowish, nutrient-rich loess soil, dumped there by winds during the ice age.  Prior to the expansion of agriculture and population, ancient forests held the upland loess in place.  After the forests were eliminated, rain runoff increased, erosion increased, and the long era of catastrophic floods was born.  The Yellow River has long had a fitting nickname: China’s Sorrow.  Lowdermilk discovered a surreal nightmare world of enormous erosion gullies up to 600 feet (183 m) deep.

In 1938 and 1939, he was sent to Western Europe, North Africa, and the Middle East, to make observations, and report on his findings.  He visited many of the ancient sites mentioned by George Perkins Marsh — and he took a camera with him.  He saw many devastated wastelands, some reduced to bare bedrock, which had once been prosperous, densely populated regions.  This wasn’t about climate change.  Common causes included deforestation, overgrazing, soil salinization, planting on sloped land, and failure to maintain irrigation canals and hillside terraces.

Lowdermilk boiled the core story down to a booklet.  More than a million copies have been printed.  His photos are shocking testimonials to the unintended consequences of domestication and civilization.  The booklet can be read in one sitting.

The text bounces from disaster to disaster, providing a brief description of each.  In Tunisia, he observed the site of Cuicul, a magnificent city in Roman times, which had been entirely buried, except for three feet (1 m) of one column poking out of the soil.  It took 20 years of digging to expose the remarkable ruins.  Today, the land can support only a few inhabitants.  Likewise, the Minoan city of Jerash, a village of 3,000 people, was once home to 250,000.  In Syria, he observed a million acres (404,685 ha) of manmade desert, dotted with a hundred dead villages.

I don’t want to spoil the excitement of your reading experience by summarizing most of the subjects.  Keep in mind that the stories he tells are the result of good old-fashioned muscle-powered organic farming, and organic grass-fed herding.  The harms were the result of human actions inspired by ignorance or tradition, not the fickle whims of nature.  Compared to modern industrial agriculture, the early farmers and herders were childlike amateurs at ecocide.  We have, unfortunately, become champions.

Free PDF is HERE

Against the Grain

James C. Scott teaches political science and anthropology at Yale.  He’s a smooth writer and a deep thinker.  In Against the Grain: A Deep History of the Earliest States, he focused his discussion on southern Mesopotamia, because it was the birthplace of the earliest genuine states.  What are states?  They are hierarchical societies, with rulers and tax collectors, rooted in a mix of farming and herding.  The primary food of almost every early Old World state was wheat, barley, or rice.  Taxes were paid with grain, which was easier to harvest, transport, and store.  States often had armies, defensive walls, palaces or ritual centers, slaves, and maybe a king or queen.

The root of “domestication” is “domus” (the household).  In early Mesopotamia, “the domus was a unique and unprecedented concentration of tilled fields, seed and grain stores, people, and domestic animals, all coevolving with consequences no one could have possibly foreseen.”  As a result of living on the domus, animals (including humans) were changed, both physically and behaviorally.  Over time, some wild species became “fully domesticated” — genetically altered, entirely dependent on humans for their survival.  Domestication was also about deliberate control over reproduction, which “applied not only to fire, plants, and animals but also to slaves, state subjects, and women in the patriarchal family.”

Domesticated sheep have brains 24 percent smaller than their wild ancestors.  Pig brains are a third smaller.  Protected from predators, regularly fed, with restricted freedom of movement, the process of domestication made livestock less alert, less anxious, less aggressive — pudgy passive dimwit meatballs.  They reached reproductive age sooner, and produced far more offspring.

“The multispecies resettlement camp was, then, not only a historic assemblage of mammals in numbers and proximity never previously known, but it was also an assembly of all the bacteria, protozoa, helminthes, and viruses that fed on them.”  The domus was a magnet for uninvited guests: fleas, ticks, leeches, mosquitoes, lice, and mites.  Unnatural crowds of animals spent their lives walking around in poop, and drinking dirty water.  It was a devilishly brilliant incubator for infectious diseases.

Dense monocultures of plants also begged for trouble.  “Crops not only are threatened, as are humans, with bacterial, fungal, and viral diseases, but they face a host of predators large and small — snails, slugs, insects, birds, rodents, and other mammals, as well as a large variety of evolving weeds that compete with the cultivar for nutrition, water, light, and space.”  Once harvested and stored in the granary, grain could be lost to weevils, rodents, and fungi.  The biggest vulnerability of states was that they were almost entirely dependent on a single annual harvest of one or two staple grains.  Crops could be wiped out by drought, flood, pests, storm damage, or crop diseases.

Anyway, the book is fascinating.  Readers also learn about the tax game, the vital slave industry, trade networks, deforestation, erosion, soil salinization, irrigation, looting and raiding, mass escapes of workers, the challenges and benefits of being surrounded by large numbers of aggressive nomadic herders, and on and on.  It’s an outstanding book!

Free PDF is HERE

Great, But Not Free

A Forest Journey by John Perlin is a fabulous history of forest mining.  In the era of domestication, forests were cleared to create cropland and pastures.  Trees were cut to make lumber.  Wood was like the petroleum of earlier times, a source of both energy and wealth.  It was used for heating buildings, glassmaking, ceramics, smelting, casting, brickmaking, and so on.  Trees were a form of treasure, and treeless societies might be willing to take your trees by bloody force (and often did).

Against the Grain by Richard Manning presents a rigorous critique of agriculture in an easy to read format.  He slings snappy lines like: “There is no such thing as sustainable agriculture.  It does not exist.”  Or, “The domestication of wheat was humankind’s greatest mistake.”  Agriculture is one of humankind’s most troublesome experiments, and it is now hopelessly in debt.  It has borrowed soil, water, and energy that it can never repay, and never intended to repay — burning up tomorrow to feed today.  We know it, we keep doing it, and we have dark hallucinations about feeding billions more.  Agriculture has become civilization’s tar baby. 

Dirt: The Erosion of Civilizations by geologist David Montgomery provides a fascinating discussion about an extremely precious substance that we can’t live without, but treat like dirt.  He begins with an intimate explanation of what dirt is, how it’s formed, and how it’s destroyed — in plain, simple English.  Then, he proceeds to lead us on an around-the-world tour, spanning many centuries, to examine the various methods that societies have devised for mining their soils, and sabotaging their future via agriculture.

He concludes, “Continued for generations, till-based agriculture will strip soil right off the land as it did in ancient Europe and the Middle East.  With current agricultural technology though, we can do it a lot faster.”  Nature is far smarter.  “Mother earth never attempts to farm without livestock; she always raises mixed crops; great pains are taken to preserve the soil and to prevent erosion; the mixed vegetable and animals wastes are converted into humus; there is no waste; the process of growth and the process of decay balance one another.”

Tuesday, February 18, 2020

Wild Free and Happy Sample 32


[Note: This is the thirty-second sample from my rough draft of a far from finished new book, Wild, Free, & Happy.  I don’t plan on reviewing more books for a while.  My blog is home to reviews of 202 books, and you are very welcome to explore them.  The Search field on the right side will find words in the full contents of all rants and reviews, if you are interested in specific authors, titles, or subjects.] 

Plant Domestication

The domestication of crop plants is an enormous subject.  It has enabled and accelerated a long sequence of unfortunate unforeseen consequences over the centuries.  Of course, the same could be said for the domestication of animals.  If domestication had never occurred, life in the twenty-first century would look nothing like the world outside your window.  There would be no windows.

Our population would not be zooming down the fast lane to eight billion, nine billion….  We would not be helpless sitting ducks today, standing in the path of an onrushing out of control climate shit storm.  Wild folks would have never conjured techno-nightmares like automobiles, cell phones, cities, nuclear bombs, or pesticides.  Agriculture produces megatons of surplus food, which enables societies to feed and clothe herds of nerds, who are highly skilled at maximizing unsustainability in every imaginable way.

Agriculture was not an amazing invention created by a brilliant mad scientist.  For four million years, every hominin who had more than two brain cells clearly understood that plants grew from seeds.  Agriculture was not an awesomely cool fad that spread like wildfire around the world.  As long as wild foods were adequate, it would have been ridiculous to deliberately shift to tedious, miserable, backbreaking work. 

When hunters have an unlucky day, they can lose a day’s work.  When farmers have bad luck, they can lose more than a year’s hard work, and have no safety net to catch their fall.  Crops can be zapped by drought, deluge, late frost, early frost, fire, storms, plant disease, enemies, wildlife, insects, and so on.  High rewards came with high risks.

Kat Anderson described how hunter-gatherers in California “tended” the wild landscape to encourage the growth of wild plants that were useful to them.  They didn’t strip the living green skin off the land, pulverize the naked soil, and plant seeds.  That would have been ecologically insane.  They had no need to do that.  They had plenty to eat because their time proven culture was well adapted to their land, and because they hadn’t stumbled into the trap of domestication.

Mark Nathan Cohen wrote an important book that described how agriculture emerged independently in several different regions.  It was a jarring transformation for humankind.  Hominins had been hunters for four million years, a highly successful strategy.  Until 10,000 years ago, everything on the menu everywhere was wild foods.  By 2,000 years ago, most of humankind depended on food produced on farms.

Preceding this shift, hunters had spread around the world.  They had gotten very good at killing large game, and a number of megafauna species had been driven into extinction.  Also, as the ice age weakened, the climate got warmer, and forests expanded into steppe and tundra regions.  Forest was not prime habitat for herds of horses, reindeer, and mammoths.  These herds shrank or dispersed.  So, the menus had to be rewritten to include more offerings of stuff like waterfowl, fish, crustaceans, small reptiles, mollusks, and plant foods. 

Barry Cunliffe noted that the recovering forests of Europe were home to more solitary game like aurochs, boars, elk, deer, and small animals.  The total biomass of these forest animals was only 20 to 30 percent of the biomass of the tundra herds they replaced.  Less meat led to a significantly smaller population.  It was easier to survive in locations close to coastlines, lakes, rivers, and wetlands, where a year round supply of a wide variety of foods could be gathered.

This new way of living apparently worked well enough for a while.  No wild plants suitable for agriculture were domesticated in early Europe.  At the time, much of the continent was still forest.  The primary food of civilizations is grains.  Grains are produced by grass species like wheat, oats, barley, and so on.  For this reason, large scale agriculture did not emerge in forests or jungles. 

Meanwhile, to the east, in the awesome grasslands of the Fertile Crescent, there was so much wild plant food that some groups had the option of giving up the nomadic life and settling down in delicious locations.  Cohen noted that the seeds of wild wheat (emmer and einkorn) and wild barley provided storable starch (calories).  Storable protein was provided by peas, beans, lentils, and vetches.  In North America, the primary starch was corn, and beans were the main source of plant protein.  Grasslands were also excellent places to hunt.

Cohen noted that the practice of agriculture migrated from its birthplace in the Fertile Crescent.  It moved into southeastern Europe between 7000 and 5000 B.C.  It then spread along the Mediterranean coast, and into the Danube river watershed.  At the time Europe was already inhabited by scattered communities of hunter-gatherers. 

Whether agriculture primarily spread through Europe by migration or diffusion is controversial (probably both).  In Australia, it spread by migration, when outsiders from Britain brought their dirty habit with them.  In North America, it apparently spread by diffusion, as corn and beans spent centuries gradually making a long pilgrimage from Mesoamerica to Ontario.

Diana Muir wrote an environmental history of New England, from the ice age to today.  On the tundra, folks hunted mastodons, horses, bison, and four species of mammoths.  There were sabertooth cats, giant bears, giant beavers, and musk oxen.  As the climate warmed, forests spread northward, gradually displacing tundra.  The elk, moose, and tropical primates managed to survive.  As megafauna declined, folks hunted for deer, bear, beaver, moose, waterfowl, turkeys, and heath hens.  Rivers had huge runs of salmon, shad, and alewives.

Eventually, the seeds of corn (maize), squash, and beans reached New England.  Tribes that got addicted could produce far more food per acre, and support a larger population.  Their new diet had nutrient deficiencies which had health effects. 

I’ve already mentioned ideas from Mark Nathan Cohen’s book, The Food Crisis in Prehistory, in which the archaeologist and anthropologist explored what drove the transition to agriculture.  Twenty-two years later, he published Health & the Rise of Civilization, which extensively examined how health declined in agricultural societies.  The healthiest people were the hunter-gatherers who dined on large game.

The shift to agriculture took a toll.  Teotihuacan was a city located not far from today’s Mexico City.  It was home to a culture of pyramid builders.  At its prime around A.D. 500, it had about 125,000 people, and was the biggest city in the world.  Cohen wrote that it had very high rates of malnutrition, stunted growth, deciduous tooth hypoplasia, and infant and child mortality.  I’ll have much more to say about human health in a later chapter. 

Anyway, there is strength in numbers, and farmers trumped hunters.  In any region that was suitable for the agriculture of the day, the hunters were in danger.  A dozen healthy, well-nourished hunters were unlikely to triumph against 100 malnourished corn farmers with bad teeth.  Corn typically depleted soil fertility in a few years, so clearing new fields was an ongoing necessity.

Farmers were not friendly new neighbors.  Over time they were more like an uprising, a steamroller.  Muir described how the corn powered Iroquois gathered momentum over time, pushing out the tribes of Algonquin hunters.  Cunliffe wrote that when agriculture moved close to your home sweet home, you had four choices: (1) exterminate them, (2) take up the dirty habit, (3) flee, or (4) be overrun.

Mesopotamia

James Scott, a political scientist, studied the dawn of agriculture in southern Mesopotamia, because it was the birthplace of the earliest genuine states — hierarchical societies with rulers and tax collectors, sustained by a mix of farming and herding.  The primary food of almost every early state was wheat, barley, or rice.  Taxes were paid with grain, because it was easier to harvest, transport, and store than foods that were more perishable.  An entire field of grain ripened at the same time, which enabled one sweep harvesting.

Today, southern Mesopotamia is largely a treeless desert, and many assume that it always has been.  Actually, it used to be wetlands, a cornucopia of wild foods, a paradise for hunters and gatherers.  There was so much to eat that it was possible to quit wandering and live in settled communities.  Edible plants included club rush, cattails, water lily, and bulrush.  They also ate tortoises, fish, mollusks, crustaceans, birds, waterfowl, small mammals, and migrating gazelles.  The ecosystem was generous, and life was good.

In this region, communities of sedentary hunter-gatherers began appearing by maybe 12,000 B.C.  The first evidence of domestication appears around 9000 B.C.  Then, it took another four thousand years (160 generations!) before agricultural villages appeared.  The first states emerged around 3100 B.C.  In the Middle East, it does not appear that early cultivation was encouraged by declining availability of wild plant and animal foods.  Contrary to common beliefs, in Mesopotamia, cultivation seems to have emerged in regions of abundance, not scarcity.

In the early days, there was no need for irrigation.  Stream banks and river deltas were covered with alluvium — a moist and highly fertile deposit of clay, silt, sand, and gravel that was delivered by annual floods.  It was a soft and loose soil that was ready for sowing.  So, in addition to the wild grains they enjoyed, it was fairly easy to sow seeds in the fresh deposits of alluvium.

Scott mentioned archaeologist Hans Nissen, who studied the ancient Near East.  Nissen noted that for quite a while, the climate had been wet and warm.  With adequate rains, abundant water moved through the streams and rivers.  The Tigris and Euphrates watershed emptied into the Persian Gulf.  Nissen measured the accumulated sediments on the floor of the Gulf.  Thicker layers of organic matter indicated times when lots of water was moving lots of silt.  This study illuminated climate patterns.

Prior to roughly 3500 B.C., so much water flowed into the Gulf that its water level was 10 feet (3 m) higher than it is today.  The north shore of the Gulf expanded quite a ways into southern Mesopotamia.  Much of the region was then wetlands, and folks resided on islands.  It was a paradise for happy wild people — plenty to eat year round.

But then, climate trends gradually shifted toward cooler and dryer.  Less rain led to lower water tables.  The Gulf’s shoreline retreated.  Wetlands began drying out.  It became possible to plant seeds on the highly fertile, newly exposed soil.  For a while the alluvial soils were a sponge that held enough moisture that crops could be grown without irrigation, but this situation was temporary.

Nissen noted that wild grains still grow in Mesopotamia.  Today, in remote locations, folks can gather two or more quarts (or liters) of grain in an hour — a decent supply of calories for minimal effort.  On the other hand, cultivated grain grown in irrigated fields can produce far higher yields, sometimes two or three harvests per year.

Here is where the domestication of wheat played an important role.  Wild wheat grass readily drops its ripe seeds, which maximizes reproductive potential — evolution’s goal.  But this minimizes efficient harvesting.  Lots of seeds drop to the ground and are not collected.  So, over time, selective breeding favored plants that retained their seeds. 

Also, wild wheat seeds are coated with hard husks, which reduce the risk of premature germination.  Farmers have to remove these husks.  This can be accomplished by pounding or roasting, but then the seeds are less likely to germinate.  So, over time, selective breeding favored plants that produced seeds having less troublesome husks.

Annual grain yield was important, but effective storage was equally vital.  The primary objective of agriculture was not to produce millions of morbidly obese rats, or impressive heaps of stinky rotten wheat.  Grain was best stored in large closed vessels of fired clay. 

Gold is dense and shiny, but you can’t eat it.  Its only value is when you find odd people with vivid imaginations who believe that a shiny yellow stone is something of immense value.  Stored wheat, on the other hand, is something you can eat, food that can sustain your survival.  A full granary is truly precious to folks who enjoy being alive, it is a genuine treasure.

History is clear on one thing — stored treasure is fantastically tempting to ambitious hard-nosed folks untroubled by morals, like Vikings, Mongols, or billionaires.  Tacitus, writing in A.D. 98, described the wild German tribes.  “They actually think it tame and stupid to acquire by the sweat of toil what they might win by their blood.”

What may be the world’s oldest story was found etched on clay tablets in southern Mesopotamia — the Epic of Gilgamesh.  It’s the saga of slimy King Gilgamesh who clear-cut ancient forests, triggered massive floods and erosion, and built the city of Uruk.

Nissen spent a lot of time digging up stuff in Uruk, which is now scruffy ancient ruins surrounded by a barren brown wasteland.  [LOOK]  In the days of its glory, was a highly advanced place.  Nissen called this era “the beginning of early high civilization.”  It had writing, large artworks, and monumental architecture.  Gilgamesh built a wall around Uruk that enclosed an area of 1,360 acres (5.5 km2).  The wall included at least 900 semicircular towers.

Around the world, throughout history, it is no coincidence that settlements with stored treasure (especially granaries) have commonly been surrounded by walls, moats, palisades, and so on.  Alfred Crosby wrote a tragi-comical history of the evolution of weaponry, from stones to hydrogen bombs.  Many, many centuries were devoted to a tireless arms race — ongoing efforts to use new tricks for destroying walls, and new countermeasures for defending the stored treasure.

OK, back to Mesopotamia.  As the climate got cooler and dryer, rain decreased, river flows decreased, and the water level of the Gulf dropped.  Less water was available for irrigation.  Plus, as river flows dropped lower, their channels dug deeper into the soil.  This caused even more water to be drawn away from the surrounding land.

In the driest regions, agriculture could not survive without irrigation.  Over time, an enormous canal system was built in Mesopotamia.  The unintended consequence of this brilliant technological masterpiece was catastrophe.  Regular irrigation led to salt buildup in the soil (salinization), which rendered it permanently infertile, killing the golden goose.

Salt-nuked cropland had to be abandoned, forcing folks to concentrate in more urban settlements.  With more people crammed together, conflict levels increased.  To avoid social meltdown, conflicts needed to be brought under control.  This need encouraged the further intensification of civilization — powerful leaders, laws, enforcers, obedient tax-paying citizens, and hard-working slaves.